| BOOK CAMBRIDGE IELTS 4 ANSWER KEY | |
| ACADEMIC READING TEST 3 (THREE) PASSAGE 3 (THREE) | |
| 27 | D |
| 28 | E |
| 29 | C |
| 30 | D |
| 31 | F |
| 32 | (the) linguist (acts)/ (the) linguists (act) |
| 33 | foreign languages |
| 34 | quality/ the quality/ the poor quality |
| 35 | non-verbal behaviour/ facial expression |
| 36 | camera/ video camera/ recording/ video recording |
| 37 | frequency of usage/ usage frequency |
| 38 | particular linguistic feature |
| 39 | size |
| 40 | intuitions |